Resonance
Enhances the EQ curve to compensate for the tone shift when the speaker level is reduced.
Range
Lets you fine-tune the power level when set below 20% for greater control.
Load
Six-position rotary switch sets the power reduction from 100% down to OFF.
Low/High
Shelving EQ used to fine-tune the JDX output to suit your recording or live monitoring needs.
Voicing
Rotary switch lets you choose between six cabinet emulation preset curves.
180/360
oggles the phase shift range from 0~180 to 181~360°.
Headphone
Headphone output with level control.
JDX Pre-EQ / PA Output
Captures the sound from the JDX signal before the EQ - transformer isolated to eliminate hum and buzz caused by ground loops.
180°
Polarity reverse used to offset phase anomalies when combining the Headload with the PA system.
Lift
Lifts pin-1 on the PRE-EQ/PA OUTPUT XLR to help eliminate ground loops.
JDX Post-EQ / Monitor Output
Captures the sound after the EQ for direct recording, feeding stage monitors or in-ear monitors.
Fan
Used to cool the Headload and keep it from overheating.
From Amplifier
¼” jack used to connect from the guitar amplifier output to the Headload.
To Speaker A/B
¼” jacks used to connect from the Headload to the guitar amp speaker cabinet.
UNBAL Outputs
Pre and Post JDX outputs to feed additional gear.
Level
Used to set the POST-JDX & PRE-JDX unbalanced output levels.
Power Supply
External supply provides nearly 600 milliamps of current to the three modules.
